> For the complete documentation index, see [llms.txt](https://docs.blockpi.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockpi.io/build/api-reference/merlin/eth_uninstallfilter.md).

# eth\_uninstallFilter

Uninstalls a filter with a given id. Should always be called when a watch is no longer needed. Additionally, filters timeout when they aren’t requested with eth\_getFilterChanges for some time.

#### **Parameters:**

**QUANTITY** - the filter id.

#### **Returns:**

**Boolean** - true if the filter was successfully uninstalled, otherwise false.

#### Example:

{% code overflow="wrap" %}

```json
// Request
curl https://merlin.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_uninstallFilter","params":["0x2b8add93b1594de1ba786c25a4a3f709"],"id":1}'

// Result
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": ture
}
```

{% endcode %}